Anyone with COPD taking Nucala (mepolizumab)? How did it help?

Posted by snoots @snoots, Dec 15, 2025

I started Nucala a month ago, it’s an injection once a month. Has anyone else taken the monthly shots, how did they help?

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Profile picture for hicopd @hicopd

I believe both Dupixent and Nucala work best and are approved for folks with high blood eosinophil levels (like >300). It may not be as effective for folks who don’t have this type of inflammation.

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@hicopd Yep, I'm at 340. Can I ask what pharmacy you get yours mailed from?

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Yes I use to get lung infection about every 6 weeks i have been getting those shots for 6 or 7 months and have not had lung infection since shots. Gil age 83

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Profile picture for hank82 @hank82

Yes I use to get lung infection about every 6 weeks i have been getting those shots for 6 or 7 months and have not had lung infection since shots. Gil age 83

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@hank82
Did it help with your everyday breathing.

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Mine is mailed from CVS Specialty Pharmacy. They even sent a nurse to instruct me and watch me give my 1st auto-injections shot. For me, my everyday breathing is pretty decent. I did notice that it boosted my resting O2 saturation rates. They were 92=93 and now they’re 94-95%. I don’t FEEL different but am happy. I do notice I don’t get an exacerbation when I have things that might normally trigger one, like if my POC malfunctions or I’m having a rough day due to other things.

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Profile picture for hicopd @hicopd

Duplicate—see below

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@hicopd I noticed you said you blood was at 340, since you have been on it has your blood dropped to lower number?

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My blood eosinophil levels were over 500. I'm not sure we've checked it since I started taking the biologics.

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Im on dupixent, going now about my14/15 shot, I had a physical couple week ago and they did a cbc my eso were 0, deer said it was because I have been taking the dupixent. Make since, I would like to make sure i’m not taking anything i dont need.

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Profile picture for hicopd @hicopd

Mine is mailed from CVS Specialty Pharmacy. They even sent a nurse to instruct me and watch me give my 1st auto-injections shot. For me, my everyday breathing is pretty decent. I did notice that it boosted my resting O2 saturation rates. They were 92=93 and now they’re 94-95%. I don’t FEEL different but am happy. I do notice I don’t get an exacerbation when I have things that might normally trigger one, like if my POC malfunctions or I’m having a rough day due to other things.

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@hicopd were you on oxygen before you started taking the Nucala? I was on it 24/7 but after my first shot I found that I could sit without using the oxygen. And since my second shot I am starting to be able to move around "slowly" and in "short spirts" without the oxygen. Hoping that I will eventually be able to get off the oxygen all together.

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I've been on supplemental O2 since 2008 for altitude. In 2016, they also told me I need it for sleep and exertion. I am guided by my pulse oximeters. I am OK without O2 for just sitting with room air (it used to be 92-93 and now can be 94-96% sitting). If I walk slowly (like around my house), I generally am OK without O2 as well. If I'm going to walk and don't want to do pursed lip breathing continuously and watch my oximeter, I just wear my O2, so I don't stress my heart. It's just easier and better for my heart. I really don't want to develop heart problems in addition to my bad lungs.

I have an Inogen Rove6 and just bought a waistpack that has a crossbody strap. It works very well for me and allows me to be hands-free while wearing it. I am getting used to not getting tangled up with the tubing (always a work in progress). I prefer it over the single shoulder strap and over the backpack because I can turn the O2 on or off and also adjust settings as needed.

The last time I had a 6 minute walk test (while being on biologics), I needed to crank my POC up to level 6 (the max) to keep my pulse from being at an unsafe rate, as well as to keep my saturations up. I prefer walking at a fairly brisk pace, so that may be part of the issue.

Of course, it was nice before I needed supplemental O2, but I don't see myself being able to get rid of it at this point. I prefer to protect my brain cells and heart, so they need O2 and I will be sure they get it. I really dislike having my heart race when my O2 saturation levels drop.

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